While setting up Ubuntu 13.04 on an Asus X75A, I encountered a most frustrating error message on the wireless networking: “Wi-fi disabled by hardware switch”. Having just used the interface in Windows, I knew it shouldn’t be disabled, but I tried the key combination to toggle it to no avail anyway. The card was Atheros AR9485 using module
asus-nb-wmi, and the fix was pretty simple. That module needed to be blacklisted in
Just open that file in your favorite text editor (mine is vim; YMMV), add the directive to the end of the file, save and reboot.
Open the file.
$ sudo vim /etc/modprobe.d/blacklist.conf
Add this line to the end.
Your wifi card will work after you reboot.
Thanks to Sleep for the post that put an end to my relentless searching. As you can see from my post, I don’t really have anything to add to the referenced method. I just wanted to get the X75A model tied to this problem, as my search results were not very useful.